Finding the Fourth Proportional to 758,771.69, 1,138,967.79 and 326,703.19
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Solution
The fourth proportional to 758,771.69, 1,138,967.79 and 326,703.19 is: 490,403.66
Step by Step Solution
- Step 1: Write the proportion equation
758,771.69 : 1,138,967.79 = 326,703.19 : x - Step 2: Convert to fraction form
758,771.69/1,138,967.79 = 326,703.19/x - Step 3: Cross multiply
758,771.69x = 1,138,967.79 × 326,703.19 - Step 4: Simplify right side
758,771.69x = 372,104,410,300.25 - Step 5: Solve for x
x = 372,104,410,300.25/758,771.69 - Step 6: Final answer
x = 490,403.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.